The M8-4595 from Marki Microwave is a RF Mixer with RF Frequency 4500 to 9500 MHz, LO Frequency 2500 to 11500 MHz, IF Frequency DC to 2 GHz, Conversion Loss 5 dB, LO/RF Isolation 40 dB. Tags: Module with Connectors, Double Balanced Mixer. More details for M8-4595 can be seen below.